New diesel cars from Renault, Nissan, Hyundai, Citroen, Fiat, Volvo and other manufacturers have all been found to emit substantially higher levels of pollution when tested in more realistic driving conditions, according to new data seen by the Guardian.

“We urgently need to reform. This is not just about customers being misled, it is about the thousands of premature deaths due to air pollution each year.” – Catherine Bearder, who is a lead negotiator in the European parliament on the EU’s new air quality law.